Alert archive / New Jersey / Severe Thunderstorm Warnings in 2016

Severe Thunderstorm Warning 85, NWS Philadelphia/Mount Holly

July 8, 20165 counties in New Jersey

NWS Philadelphia/Mount Holly issued this severe thunderstorm warning at Jul 8, 2016, 4:29 PM EDT for 5 counties in New Jersey. It was in force for 46 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Jul 8, 2016, 4:29 PM EDT (20:29 UTC)
Expired
Jul 8, 2016, 5:15 PM EDT
In force
46 min
Issued by
NWS Philadelphia/Mount Holly
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Hunterdon County, NJ, Middlesex County, NJ, Morris County, NJ, Somerset County, NJ, Warren County, NJ

The radar

The Philadelphia radar (KDIX), 80 km from the middle of the area, began a volume at 20:30 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Brookhaven, NY (KOKX), launched 12:00Z, 8.5 hours before the alert went out and 144 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Brookhaven, NY at 12:00Z on 2016-07-08Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 387 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Brookhaven, NY at 12:00Z on 2016-07-08The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -67 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
387 J/kg
Mixed-layer CIN
-107 J/kg
Mixed-layer LCL
884 m above ground
0-6 km bulk shear
17 kt
0-1 km storm-relative helicity
-67 m²/s²
0-3 km storm-relative helicity
-38 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

735 
WUUS51 KPHI 082029
SVRPHI
NJC019-023-027-035-041-082115-
/O.NEW.KPHI.SV.W.0085.160708T2029Z-160708T2115Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
429 PM EDT FRI JUL 8 2016

THE NATIONAL WEATHER SERVICE IN MOUNT HOLLY NJ  HAS ISSUED A

* SEVERE THUNDERSTORM WARNING FOR...
  CENTRAL WARREN COUNTY IN NORTHWESTERN NEW JERSEY...
  NORTHEASTERN HUNTERDON COUNTY IN NORTHWESTERN NEW JERSEY...
  SOMERSET COUNTY IN NORTHERN NEW JERSEY...
  SOUTHWESTERN MORRIS COUNTY IN NORTHERN NEW JERSEY...
  NORTH CENTRAL MIDDLESEX COUNTY IN NORTHERN NEW JERSEY...

* UNTIL 515 PM EDT

* AT 429 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
  EXTENDING FROM NEAR BASKING RIDGE TO NEAR WASHINGTON...MOVING
  SOUTHEAST AT 15 MPH.

  HAZARD...60 MPH WIND GUSTS AND PENNY SIZE HAIL. 

  SOURCE...RADAR INDICATED. 

  IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

* LOCATIONS IMPACTED INCLUDE...
  SOMERVILLE...SOMERSET...EDISON...BRIDGEWATER...MIDDLESEX...
  BOUND BROOK...MANVILLE...HACKETTSTOWN...WASHINGTON...MENDHAM...
  HIGH BRIDGE...CLINTON...PEAPACK AND GLADSTONE...OXFORD...
  GLEN GARDNER...CHESTER...HAMPTON...LEBANON...CALIFON AND FAR HILLS.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

IN ADDITION TO LARGE HAIL AND DAMAGING WINDS...FREQUENT CLOUD TO
GROUND LIGHTNING IS OCCURRING WITH THIS STORM. MOVE INDOORS
IMMEDIATELY. REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE
ENOUGH TO BE STRUCK BY LIGHTNING.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4051 7432 4051 7467 4062 7501 4079 7507
      4090 7489 4079 7450 4069 7444 4067 7446
      4066 7445 4066 7442 4064 7441 4060 7446
      4060 7438
TIME...MOT...LOC 2029Z 304DEG 13KT 4073 7457 4075 7492 

HAIL...0.75IN
WIND...60MPH
 
$$

JRK
2 follow-up statements
748 
WWUS51 KPHI 082056
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
456 PM EDT FRI JUL 8 2016

NJC023-082103-
/O.CAN.KPHI.SV.W.0085.000000T0000Z-160708T2115Z/
MIDDLESEX NJ-
456 PM EDT FRI JUL 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR NORTH CENTRAL MIDDLESEX COUNTY
IS CANCELLED...

THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED. THEREFORE THE
WARNING HAS BEEN CANCELLED.

LAT...LON 4057 7453 4051 7458 4051 7468 4052 7470
      4062 7501 4079 7507 4090 7489 4079 7450
      4076 7448 4059 7448
TIME...MOT...LOC 2053Z 272DEG 5KT 4066 7461 4077 7484 

$$

NJC019-027-035-041-082115-
/O.CON.KPHI.SV.W.0085.000000T0000Z-160708T2115Z/
WARREN NJ-HUNTERDON NJ-SOMERSET NJ-MORRIS NJ-
456 PM EDT FRI JUL 8 2016

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 515 PM EDT
FOR CENTRAL WARREN...NORTHEASTERN HUNTERDON...NORTHERN SOMERSET AND
SOUTHWESTERN MORRIS COUNTIES...

AT 453 PM EDT...SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE
EXTENDING FROM NEAR FAR HILLS TO NEAR CALIFON...MOVING EAST AT 5 MPH.

HAZARD...60 MPH WIND GUSTS. 

SOURCE...COUNTY EMERGENCY MANAGEMENT. 

IMPACT...EXPECT DAMAGE TO ROOFS...SIDING...AND TREES. 

LOCATIONS IMPACTED INCLUDE...
SOMERVILLE...BRIDGEWATER...MIDDLESEX...BOUND BROOK...MANVILLE...
HACKETTSTOWN...WASHINGTON...MENDHAM...HIGH BRIDGE...CLINTON...
PEAPACK AND GLADSTONE...OXFORD...GLEN GARDNER...CHESTER...HAMPTON...
LEBANON...CALIFON...FAR HILLS...GREAT MEADOWS-VIENNA AND BEATYESTOWN.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A
BUILDING.

MORRIS COUNTY EMERGENCY MANAGEMENT REPORTED NUMEROUS TREE DOWN IN
THE COUNTY FROM THESE STORMS.

IN ADDITION TO DAMAGING WINDS...FREQUENT CLOUD TO GROUND LIGHTNING
IS OCCURRING WITH THIS STORM. MOVE INDOORS IMMEDIATELY.
REMEMBER...IF YOU CAN HEAR THUNDER...YOU ARE CLOSE ENOUGH TO BE
STRUCK BY LIGHTNING.

SMALL HAIL IS POSSIBLE WITH THIS STORM.

TORRENTIAL RAINFALL IS OCCURRING WITH THESE STORMS...AND MAY LEAD TO
FLASH FLOODING. DO NOT DRIVE YOUR VEHICLE THROUGH FLOODED ROADWAYS.

&&

LAT...LON 4057 7453 4051 7458 4051 7468 4052 7470
      4062 7501 4079 7507 4090 7489 4079 7450
      4076 7448 4059 7448
TIME...MOT...LOC 2053Z 272DEG 5KT 4066 7461 4077 7484 

HAIL...<.75IN
WIND...60MPH
 
$$

JRK
318 
WWUS51 KPHI 082108
SVSPHI

SEVERE WEATHER STATEMENT
NATIONAL WEATHER SERVICE MOUNT HOLLY NJ
508 PM EDT FRI JUL 8 2016

NJC019-027-035-041-082118-
/O.EXP.KPHI.SV.W.0085.000000T0000Z-160708T2115Z/
WARREN NJ-HUNTERDON NJ-SOMERSET NJ-MORRIS NJ-
508 PM EDT FRI JUL 8 2016

...THE SEVERE THUNDERSTORM WARNING FOR CENTRAL WARREN...NORTHEASTERN
HUNTERDON...NORTHERN SOMERSET AND SOUTHWESTERN MORRIS COUNTIES WILL
EXPIRE AT 515 PM EDT...
            
THE STORMS WHICH PROMPTED THE WARNING HAVE WEAKENED BELOW SEVERE
LIMITS...AND NO LONGER POSE AN IMMEDIATE THREAT TO LIFE OR PROPERTY.
THEREFORE THE WARNING WILL BE ALLOWED TO EXPIRE.  HOWEVER GUSTY WINDS
AND HEAVY RAIN ARE STILL POSSIBLE WITH THESE THUNDERSTORMS.

LAT...LON 4057 7453 4051 7458 4051 7468 4052 7470
      4062 7501 4079 7507 4090 7489 4079 7450
      4076 7448 4059 7448
TIME...MOT...LOC 2108Z 304DEG 13KT 4066 7461 4077 7484 

$$

SFJ

The office that day

Everything else NWS Philadelphia/Mount Holly issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jul 8, 1:30 PM EDTSpecial Weather StatementPHICamden, Gloucester, Hunterdon, Salem, Warren3 hr
Jul 8, 2:30 PM EDTAreal Flood AdvisoryPHIBurlington, Camden4 hr
Jul 8, 2:46 PM EDTAreal Flood AdvisoryPHIMorris4 hr
Jul 8, 3:08 PM EDTSpecial Weather StatementPHIMorris37 min
Jul 8, 3:12 PM EDTAreal Flood AdvisoryPHIMorris, Sussex, Warren4 hr
Jul 8, 3:25 PM EDTSpecial Weather StatementPHIBurlington35 min
Jul 8, 3:32 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington, Camden43 min
Jul 8, 3:42 PM EDTSpecial Weather StatementPHIMorris33 min
Jul 8, 3:43 PM EDTAreal Flood AdvisoryPHIWarren4 hr
Jul 8, 3:45 PM EDTSevere Thunderstorm WarningPHIMorris, Somerset45 min
Jul 8, 4:08 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington4 hr
Jul 8, 4:10 PM EDTSevere Thunderstorm WarningPHIAtlantic, Burlington50 min
Jul 8, 4:25 PM EDTAreal Flood AdvisoryPHIHunterdon, Mercer, Middlesex, Morris, Somerset, Warren4 hr
Jul 8, 4:56 PM EDTFlash Flood WarningPHIHunterdon, Middlesex, Morris, Somerset, Warren4 hr
Jul 8, 4:59 PM EDTSpecial Weather StatementPHIAtlantic46 min
Jul 8, 5:12 PM EDTSpecial Weather StatementPHIHunterdon, Mercer, Somerset48 min
Jul 8, 5:18 PM EDTFlash Flood WarningPHIHunterdon, Mercer, Middlesex, Somerset4 hr
Jul 8, 5:25 PM EDTSpecial Weather StatementPHIMorris50 min
Jul 8, 5:28 PM EDTAreal Flood AdvisoryPHIAtlantic4 hr
Jul 8, 5:48 PM EDTAreal Flood AdvisoryPHIBurlington, Mercer, Middlesex, Monmouth4 hr
Jul 8, 5:54 PM EDTSpecial Weather StatementPHIMercer36 min
Jul 8, 6:22 PM EDTSpecial Weather StatementPHIBurlington, Camden23 min
Jul 8, 6:36 PM EDTAreal Flood AdvisoryPHIBurlington, Camden4 hr
Jul 8, 7:29 PM EDTSpecial Weather StatementPHIAtlantic31 min
Jul 8, 7:38 PM EDTAreal Flood AdvisoryPHIAtlantic, Burlington, Camden4 hr
Jul 8, 7:48 PM EDTFlash Flood WarningPHIAtlantic, Burlington, Camden4 hr

Nearby

Severe Thunderstorm Warnings in New Jersey, 2016Every severe thunderstorm warning in 2016

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.